Rechargeable 402030 LiPo Battery Cell 3.7V 220mAh – High-Performance Lithium Polymer Power Source

The Rechargeable 402030 LiPo Battery Cell 3.7V 220mAh is a compact, lightweight, and efficient power solution designed for modern portable electronics and small-scale embedded applications. Built with high-quality Lithium Polymer chemistry, this battery delivers stable performance, excellent energy density, and long cycle life. Whether you're developing a DIY project, repairing a wearable device, or powering low-energy IoT hardware, this LiPo cell offers a reliable and economical source of energy with consistent output and trusted safety.

This 402030 LiPo battery is engineered with precision dimensions—4.0mm thickness, 20mm width, and 30mm length—making it ideal for devices requiring a slim profile without sacrificing power. The included wire leads for soldering make integration quick and simple, allowing users to connect the battery directly to PCBs, charging modules, microcontrollers, or custom circuitry. From small robotics to Bluetooth devices, GPS modules, medical prototypes, and handheld gadgets, this battery is well-suited for a wide variety of low-power electronics.

High-Quality Lithium Polymer Chemistry

The battery uses advanced LiPo (Lithium Polymer) chemistry, known for its excellent balance of safety, energy density, and lightweight construction. Compared to traditional lithium-ion cylindrical cells, LiPo batteries can be shaped into thin, flat profiles—perfect for compact and portable designs. The battery operates at a nominal voltage of 3.7V, reaches 4.2V at full charge, and maintains performance down to the 3.0V cut-off threshold, ensuring efficient usage of the total capacity.

The 220mAh rated capacity provides enough runtime for miniature devices, while the cell's 0.814Wh energy rating ensures dependable performance over multiple charge cycles. With a cycle life of 300+ cycles, users can count on long-term reliability under normal operating conditions.

Optimized for Safe, Efficient Charging and Discharging

The 402030 LiPo cell supports a standard charging current of 0.2C (100mA), allowing balanced and safe charging through typical LiPo charging modules or integrated charging circuits. For devices needing higher power output, the battery offers a maximum discharge current of up to 1C (500mA)—suitable for moderate-load electronic applications.

Internal resistance remains low at ≤ 200 mΩ, promoting efficient energy transfer and reducing heat buildup during operation. This helps extend battery life while supporting consistent performance across various usage environments.

Wide Operating Temperature Range

The battery is built to function reliably across diverse temperature conditions:

• Charging temperature: 0°C to +45°C

• Discharging temperature: -10°C to +60°C

• Storage temperature: -20°C to +60°C

This wide tolerance makes the battery flexible for outdoor devices, wearable technologies, and portable gadgets used in varying climates.

Ideal Applications

Because of its small size, lightweight construction, and dependable performance, this battery is suitable for a wide range of electronic devices, including:

• Wearable electronics

• Bluetooth headsets and beacons

• Smartwatches and fitness trackers

• IoT sensors and modules

• GPS and location trackers

• Miniature robotics and toys

• Portable measurement tools

• Medical and wellness devices

• Remote controls and transmitters

• DIY and hobbyist electronics

Whether you’re a product developer, hobbyist, or technician, the 402030 LiPo cell offers versatility and durability for all low-power applications.

SEO-Friendly Key Features

• 402030 LiPo battery 3.7V 220mAh for small electronics

• Ultra-slim Lithium Polymer cell with wire leads for soldering

• High energy density and long cycle life

• Supports up to 0.5C typical discharge and 1C max discharge

• Designed for wearables, IoT, and compact devices

• Safe, stable, and reliable with efficient charging capability

• Lightweight, compact, and ideal for embedded projects

Conclusion

The Rechargeable 402030 LiPo Battery Cell 3.7V 220mAh is an excellent power source for compact electronic projects that require reliability, portability, and efficient energy delivery. With quality Lithium Polymer construction, strong safety standards, a slim profile, and flexible design options, it meets the needs of modern portable technology. Whether you're upgrading an existing device or building a custom solution from scratch, this LiPo battery provides dependable performance and long-lasting power.